21615411

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4073}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 30310560

約数和(自身を除く): 8695149

約数列:

[1, 3, 29, 61, 87, 183, 1769, 4073, 5307, 12219, 118117, 248453, 354351, 745359, 7205137, 21615411]

約数ペア:

[(1, 21615411), (3, 7205137), (29, 745359), (61, 354351), (87, 248453), (183, 118117), (1769, 12219), (4073, 5307)]